KidsVerified spec

2021 Rocky Mountain Growler 20

Launched at $999Lists today at $1,039 (2026-09)

Own a 2021 Rocky Mountain Growler 20?

Track its value in your garage, or list it for sale locally in a few taps.

Add to garage List yours

What a used one is worth

Open the value tool

New

$558

$360 to $673

Like new

$530

$342 to $639

Excellent

$502

$324 to $605

Good

$419

$270 to $504

Fair

$307

$198 to $370

For parts

$167

$108 to $202

From the launch price, aged to 2026 and adjusted for condition. Guidance from our catalog, not an appraisal.

Overview

Brand: Rocky Mountain
Model family: Growler
Model year: 2021
Category: Kids · trail
Frame material: aluminum
Sizes: S, M, L, XL
Wheel size: 20
Launch MSRP (US): $999
Current list price: $1,039 (as of 2026-09)

Drivetrain

Speeds: 10
Groupset: Shimano Deore
Electronic: false

Build

Fork: Suntour XCM34 DS 130mm
Stem: Rocky Mountain XC | 7° Rise | All Sizes = 40mm
Tires: F: Kenda Amrak 29 x 2.6 // R: Kenda Amrak 29 x 2.6
Brakes: Tektro HD-M275 | Shimano Pad Compatible | 180mm F Rotor | 180mm R Rotor
Saddle: WTB Volt | Steel Rails | 142mm Width
Wheels: Rocky Mountain TR30 Tubeless | Tubeless Compatible - Tape | Valves | Sealant Not Incl rims; hubs: Shimano MT400 | 15mm Boost / Shimano MT400 Boost 148mm | RMB Axle | 163mm x 12mm x 1.5m
Cassette: Sunrace CSMS2 11-46T
Crankset: Rocky Mountain Microdrive 28T
Seatpost: Rocky Mountain 30.9mm
Shifters: Shimano Deore 10spd
Handlebar: Rocky Mountain AM | 780mm Width | 25mm Rise | 9° Backsweep | 5° Upsweep | 31.8mm Clamp
Rear derailleur: Shimano Deore 10spd
Travel front mm: 130

Geometry

L: Reach mm: 475; Stack mm: 643; Chainstay mm: 435; Wheelbase mm: 1239; Head angle deg: 64; Seat angle deg: 75
M: Reach mm: 450; Stack mm: 634; Chainstay mm: 435; Wheelbase mm: 1210; Head angle deg: 64; Seat angle deg: 75
S: Reach mm: 425; Stack mm: 630; Chainstay mm: 435; Wheelbase mm: 1183; Head angle deg: 64; Seat angle deg: 75
XL: Reach mm: 500; Stack mm: 652; Chainstay mm: 435; Wheelbase mm: 1269; Head angle deg: 64; Seat angle deg: 75

Launch price read from Rocky Mountain's US model-year page captured 2020-09 (inside the model year). list_price_usd is the later price Rocky Mountain's archive page shows today. 2 factory colorways.

For sale now

No Growler listed right now. Save a search in the app and get told when one appears.